WSH130NL
Operates from 2.4V to 26V supply voltage with reverse voltage protection
Operates with magnetic fields from DC to 15kHz
On-chip Hall Sensor
On-chip temperature compensation circuitry minimizes shifts in on and off points
and hysteresis over temperature and supply voltage
Ideal sensor for speed measurement, revolution counting, positioning, and DC
brushless motors
On (L) with magnetic
South
pole and Off(H) without magnetic field or with
magnetic
North
pole
Functional Description :
WSH130NL is designed to integrate Hall sensor with output driver together on the
same chip, it is suitable for speed measurement, revolution counting, positioning. It
includes a temperature compensated voltage regulator, a differential amplifier, a
Hysteresis controller and a open-collector output driver capable of sinking up to
20mA current load. An on-chip protection resistor is implemented to prevent reverse
power fault.
The temperature-dependent bias increases the supply voltage of the hall plates and
adjusts the switching points to the decreasing induction of magnets at higher
temperatures. Subsequently, the open collector output switches to the appropriate state.
WSH130NL are rated for operation over temperature range from
–40˚
C to 125
˚C
and voltage ranges from 2.4V to 26V.
Name
Vdd
Gnd
Vout
P/I/O
P
O
O
Pin#
Description
Positive Power Supply
Ground
Output Pin
Supply Voltage
Output breakdown Voltage
Vcc --------------------------
Vout
(breakdown)
----------------
26V
30V
Winson reserves the right to make changes to improve reliability or manufacturability.
©Winson,
2005/11/18
WSH130NL
Magnetic flux density
Reverse Protection Voltage
B
Vr
--------------------------
--------------------------
--------------------------
--------------------------
Unlimited
26V
25mA
(-40˚C to +125˚C)
(-65˚C to +150˚C)
500mw
Output ON Current (continuous) Ic
Operating Temperature Range
Ta
Storage Temperature Range
Package Power Dissipation
Characteristic
Supply Voltage
Output Saturation
Voltage
Output Leakage
Current
Supply Current
Output Rise Time
Output Falling Time
Ts --------------------------
Pd --------------------------
(T=+25˚C, Vcc=2.4V to 26V)
Symbol Test Conditions
Min
Typ Max Units
Vcc
V
Vout Vcc=12V,Ic=10mA
V
(sat) B > Bop
Ileakage Vcc=12V, B<Brp
uA
<
Isupply Vcc=12V,Output
Open
Tr
Vcc=12V,RL=2K
CL=20Pf
Tf
Vcc=12V,RL=2K
CL=20Pf
mA
1.0
s
s
Winson reserves the right to make changes to improve reliability or manufacturability.
©Winson,
2005/11/18
Embedded System
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